:root{
  --color-primary:#1B2A4A;
  --color-primary-hover:#10192F;
  --color-primary-tint:#EEF1F7;
  --color-text:#191A1E;
  --color-text-secondary:#5B5D63;
  --color-border:#E1DED8;
  --color-page-bg:#FAF8F4;
  --color-surface:#FFFFFF;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:8px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--color-page-bg);
  color:var(--color-text-secondary);
  font-family:'Inter',-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;display:block;}
a{color:inherit;}
h1,h2,h3{
  font-family:'Fraunces',Georgia,"Times New Roman",serif;
  color:var(--color-text);
  font-weight:500;
  margin:0;
}
em{font-style:italic;}
.rule{
  display:inline-block;
  border-bottom:1px solid var(--color-primary);
  padding-bottom:2px;
}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}

.wrap{
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

.eyebrow{
  font-size:12px;
  line-height:1.2;
  text-transform:uppercase;
  letter-spacing:0.08em;
  font-weight:600;
  color:var(--color-primary);
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:600;
  line-height:1.2;
  padding:13px 24px;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  text-decoration:none;
  transition:transform .25s ease, background .25s ease, border-color .25s ease, box-shadow .25s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--color-primary);
  color:#fff;
}
.btn-primary:hover{background:var(--color-primary-hover);transform:translateY(-1px);}
.btn-primary:focus-visible{outline:2px solid var(--color-primary);outline-offset:3px;}
.btn-secondary{
  background:transparent;
  color:var(--color-text);
  border-color:var(--color-border);
}
.btn-secondary:hover{border-color:var(--color-primary);color:var(--color-primary);transform:translateY(-1px);}
.btn-secondary:focus-visible{outline:2px solid var(--color-primary);outline-offset:3px;}
.btn-invert{
  background:#fff;
  color:var(--color-primary);
}
.btn-invert:hover{background:var(--color-page-bg);transform:translateY(-1px);}
.btn-invert:focus-visible{outline:2px solid #fff;outline-offset:3px;}

/* ---------- Header ---------- */
header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(250,248,244,0.85);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--color-border);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:76px;
}
.wordmark{
  font-family:'Fraunces',serif;
  font-size:19px;
  font-weight:500;
  color:var(--color-text);
  text-decoration:none;
  display:flex;
  align-items:center;
  gap:10px;
  letter-spacing:-0.01em;
}
.wordmark .mono{
  width:30px;
  height:30px;
  border-radius:50%;
  object-fit:cover;
  flex:none;
}
footer .wordmark .mono{
  box-shadow:0 0 0 1px rgba(255,255,255,0.14);
}
.nav-links{
  display:none;
  align-items:center;
  gap:36px;
}
.nav-links a{
  font-size:14px;
  font-weight:500;
  text-decoration:none;
  color:var(--color-text);
  position:relative;
  padding:4px 0;
}
.nav-links a:hover{color:var(--color-primary);}
.nav-links a.is-active{color:var(--color-primary);}
.nav-links a:focus-visible{outline:2px solid var(--color-primary);outline-offset:4px;border-radius:2px;}
.nav-right{display:flex;align-items:center;gap:12px;}
.nav-cta{display:none;}
.nav-mobile-cta{font-size:13px;padding:10px 16px;}

.nav-toggle{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  background:transparent;
  border:1px solid var(--color-border);
  border-radius:var(--radius-sm);
  padding:0;
  flex:none;
}
.nav-toggle:hover{border-color:var(--color-primary);}
.nav-toggle:focus-visible{outline:2px solid var(--color-primary);outline-offset:3px;}

.mobile-nav{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}
.mobile-nav.is-open{
  max-height:340px;
  border-top:1px solid var(--color-border);
}
.mobile-nav a{
  display:block;
  padding:16px 24px;
  font-size:15px;
  font-weight:500;
  color:var(--color-text);
  text-decoration:none;
  border-bottom:1px solid var(--color-border);
}
.mobile-nav a:hover{color:var(--color-primary);background:var(--color-primary-tint);}
.mobile-nav a:focus-visible{outline:2px solid var(--color-primary);outline-offset:-2px;}

@media(min-width:900px){
  .nav-links{display:flex;}
  .nav-cta{display:inline-flex;}
  .nav-mobile-cta{display:none;}
  .nav-toggle{display:none;}
  .mobile-nav{display:none;}
}

@media(max-width:479px){
  header .wrap{padding:0 14px;}
  .nav-inner{gap:8px;}
  .wordmark{gap:7px;}
  .nav-right{gap:6px;}
  .nav-mobile-cta{
    font-size:11px;
    padding:8px 10px;
    letter-spacing:-0.01em;
    white-space:normal;
    line-height:1.25;
    text-align:center;
    max-width:88px;
  }
  .nav-toggle{width:32px;height:32px;flex:none;}
}

/* ---------- Section shells ---------- */
section{padding:96px 0;}
.section-head{
  max-width:640px;
  margin-bottom:56px;
}
.section-head .eyebrow{margin-bottom:16px;}
.section-head h2{
  font-size:30px;
  line-height:1.18;
  margin-bottom:14px;
}
@media(min-width:640px){ .section-head h2{font-size:36px;} }
.section-head p{
  font-size:16px;
  line-height:1.65;
  max-width:52ch;
}
.view-all-link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  margin-top:20px;
  font-size:14px;
  font-weight:600;
  color:var(--color-primary);
  text-decoration:none;
}
.view-all-link:hover{text-decoration:underline;}
.view-all-link:hover svg{transform:translateX(3px);}
.view-all-link svg{transition:transform .2s ease;}
.view-all-link:focus-visible{outline:2px solid var(--color-primary);outline-offset:4px;border-radius:2px;}

.pre-reveal{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .6s ease, transform .6s ease;
}
.pre-reveal.is-visible{opacity:1;transform:translateY(0);}

/* ---------- Work cards (reused: homepage Work section + full portfolio page) ---------- */
.work-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:28px;
}
@media(min-width:720px){
  .work-grid{grid-template-columns:repeat(3,1fr);}
}
.work-card{
  background:var(--color-surface);
  border:1px solid var(--color-border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:transform .3s ease, box-shadow .3s ease;
}
.work-card:hover{
  transform:translateY(-4px);
  box-shadow:0 24px 48px -28px rgba(27,42,74,0.28);
}
.work-visual{
  height:168px;
  position:relative;
  overflow:hidden;
  background:var(--color-primary-tint);
}
.work-visual img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  transition:transform .5s ease;
}
.work-card:hover .work-visual img{transform:scale(1.04);}
.work-visual::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(160deg, rgba(27,42,74,0.14), rgba(27,42,74,0.02) 55%);
}
.work-body{padding:24px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.tag{
  font-size:11px;
  font-weight:500;
  color:var(--color-text-secondary);
  border:1px solid var(--color-border);
  border-radius:var(--radius-sm);
  padding:4px 10px;
}
.work-body .eyebrow{margin-bottom:8px;}
.work-body h3{font-size:19px;line-height:1.3;margin-bottom:10px;}
.work-body p{font-size:14px;color:var(--color-text-secondary);}
.work-footer{display:flex;justify-content:flex-end;margin-top:18px;}
.card-arrow{
  width:34px;
  height:34px;
  border-radius:50%;
  border:1px solid var(--color-border);
  display:flex;
  align-items:center;
  justify-content:center;
  transition:background .25s ease, border-color .25s ease, transform .25s ease;
}
.card-arrow svg path{transition:stroke .25s ease;}
.card-arrow:hover{background:var(--color-primary);border-color:var(--color-primary);transform:translateX(2px);}
.card-arrow:hover svg path{stroke:#fff;}
.card-arrow:focus-visible{outline:2px solid var(--color-primary);outline-offset:3px;}

/* ---------- Footer ---------- */
footer{
  background:var(--color-primary);
  color:rgba(255,255,255,0.72);
  padding:64px 0 40px;
}
.footer-top{
  display:flex;
  flex-direction:column;
  gap:32px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,0.14);
  margin-bottom:28px;
}
@media(min-width:760px){
  .footer-top{flex-direction:row;align-items:flex-start;justify-content:space-between;}
}
.footer-brand .wordmark{color:#fff;}
.footer-tag{
  font-size:14px;
  margin-top:12px;
  max-width:34ch;
}
.footer-line{
  font-size:13px;
  color:rgba(255,255,255,0.55);
  margin-top:6px;
}
.footer-links{
  display:flex;
  flex-wrap:wrap;
  gap:24px;
}
.footer-links a{
  font-size:14px;
  text-decoration:none;
  color:rgba(255,255,255,0.8);
}
.footer-links a:hover{color:#fff;}
.footer-bottom{
  font-size:12.5px;
  color:rgba(255,255,255,0.45);
}

.skip-link{
  position:absolute;
  left:-9999px;
  top:auto;
  background:var(--color-primary);
  color:#fff;
  padding:10px 16px;
  border-radius:var(--radius-sm);
  z-index:200;
}
.skip-link:focus{
  left:24px;
  top:24px;
}

/* ---------- Case study pages ---------- */
.case-back{
  display:inline-flex;
  align-items:center;
  gap:7px;
  margin:32px 0 0;
  font-size:13px;
  font-weight:600;
  color:var(--color-text-secondary);
  text-decoration:none;
}
.case-back:hover{color:var(--color-primary);}
.case-back svg{transform:rotate(180deg);}

.case-hero{padding:16px 0 0;}
.case-hero .eyebrow{margin-bottom:16px;}
.case-hero h1{
  font-size:32px;
  line-height:1.16;
  margin-bottom:18px;
}
@media(min-width:640px){ .case-hero h1{max-width:680px;} }
@media(min-width:640px){ .case-hero h1{font-size:44px;} }
.case-hero .tag-row{margin-bottom:0;}

.case-banner{
  margin-top:32px;
  border-radius:var(--radius-lg);
  overflow:hidden;
  height:280px;
}
@media(min-width:640px){ .case-banner{height:420px;} }
.case-banner img{width:100%;height:100%;object-fit:cover;display:block;}

.case-body{
  max-width:720px;
  padding-top:64px;
}
.case-section{padding-bottom:48px;}
.case-section:last-child{padding-bottom:0;}
.case-section h2{
  font-size:22px;
  margin-bottom:14px;
}
.case-section p{
  font-size:16px;
  line-height:1.7;
  color:var(--color-text-secondary);
}
.case-placeholder{
  border:1px dashed var(--color-border);
  border-radius:var(--radius-md);
  padding:18px 20px;
  background:var(--color-primary-tint);
}
.case-placeholder p{
  font-style:italic;
  color:var(--color-text-secondary);
  font-size:14.5px;
}

.case-cta{
  margin-top:24px;
  padding:40px;
  border-radius:var(--radius-lg);
  background:var(--color-primary);
  display:flex;
  flex-direction:column;
  gap:20px;
}
@media(min-width:640px){
  .case-cta{flex-direction:row;align-items:center;justify-content:space-between;padding:48px 56px;}
}
.case-cta h2{color:#fff;font-size:24px;max-width:26ch;}
.case-cta .btn-invert{flex:none;}